Adjustment; System Connections - Kenwood R-SG7 Service Manual

FM SECTION SELECTION :FM
X05-4882-70 (E/T TYPE)
NO. ITEM
DISCRIMINATOR
1
DISTORTION
1kHz, ±68.25kHz dev.
2
(STEREO)
X05-488X(E/T)/486X(M)
No. ITEM
1
TUNED LEVEL
1 kHz, ±75 kHz dev.
30dBu ±10 dB (ANT input)

SYSTEM CONNECTIONS

(a)
SPEAKER
(6 – 16 Ω)
AC voltmeter
Dummy antenna
AUDIO SECTION (X09-496x-xx)
NO. ITEM
POWER: ON SELECTOR : AUX
B CLASS
1
IDLE CURRENT

ADJUSTMENT

INPUT OUTPUT
SETTINGS SETTINGS
Connect a DC
(A)
voltmeter
98.0kHz
between
1kHz, ±75kHz dev.
Pin 1 and Pin 2
60dBµ(ANT input)
of CN 2.
(C)
98.0MHz
Pilot: ±6.75kHz dev.
60dBµ(ANT input)
OUTPUT
INPUT SETTING
SETTING
(A)
98.0MHz MONO
SUB
FM75Ω
WOOFER
PRE OUT
FM300Ω GND
R L
R
L
IN IN REC OUT PLAY OUT REC OUT
CD AUX TAPE
Oscilloscope
Distortion meter
(B)
FM SG AG (A)
FM SG MPX
(D)
AG
AM SG
INPUT OUTPUT
SETTINGS SETTINGS
Connect a DC
voltmeter across
– CN1(L)
CN2(R)
(X09, A/7)
R-SG7/SG7G
TUNER ALIGNMENT
SETTINGS POINTS
MONO
98.0MHz
AUTO
(B) IFT (A1)
98.0MHz
TUNER ALIGNMENT
SETTING POINTS
MONO
VR1
(B)
98.0MHz
(b)
Dc voltmeter
AM
SYSTEM
ANTENA CONTROL
PLAY OUT
MD
AG (C)
AMP ALIGNMENT
SETTINGS POINTS
VR1(L)
PURE A : OFF
VR2(R)
Volume : 0
(X09, A/7)
ALIGN FOR
L 31 0V
L 32 Minimum distortion.
Minimum distortion.
ALIGN FOR
Adjust VR1 and
stop at the point
where EDI
(TUNED) goes ON.
20mV
CN1(L)
CN2(R)
ALIGN FOR
20mV
FIG.
(a)
(a)
FIG.
(a)
FIG.
(b)
7